Food

Used for cooking food. Cooking quality depends on food variety and skill and good food causes a good mood.
Assistant can take care of grocery shopping so you don't have to.

Fresh Eggs x5 (10$) - Sold at butcher shop

Fresh Milk x5 (10$) - Sold at butcher shop

Double Cream x5 (20$) - Sold at butcher shop

Mature Cheese x5 (5$) - Sold at butcher shop

Fresh vegetables x5 (5$) - Sold at butcher shop

Cereals and flour x5 (5$) - Sold at butcher shop

Herbs and Spices x5 (5$) - Sold at butcher shop

Strong Alcohol x5 (10$) - Sold at butcher shop, Also used as Alchemical base

Greasy mince x5 (7$) - Sold at butcher shop or by butchering slaves

Tender fillet x5 (20$) - Sold at butcher shop or by butchering slaves

Virgin Meat - Gained by butchering slaves

Men's clothing

All except the Worn Clothes are sold at the Boutique of Servilia Quint in the Trade Square of White Town. Most of these have some positive effect, but some of them are uncomfortable and will make the PC unhappy.
If you have some money to spare, it's worth buying a variety of these to wear to increase your skills, which allows you to train slaves to one rank passed your natural abilities, and further training yourself in them. If you don't need the skill boost, Fashionable Attire is a good choice for the allure.

Worn Clothes ($0) - You start with these. Penalty to Allure and Mood. They are "worn" in the sense of threadbare and scruffy rather then "being worn".

Women's Clothing & Apparel

Clothing and jewelry can give a variety of bonuses. BDSM and fetish gear are sold in the Steel Rose in the Necropolis. Other clothes are sold at the Boutique of Servilia Quint in the Trade Square of White town. Jewelry and accessories are sold next door at Ashura's Treasury. Some jewelry requires piercing, which are done at the Steel Rose.

Clothes

Anal Tail can be bought at the Steel Rose in the Necropolis. All other clothing can be bought at the Boutique of Servilia Quint in the Trade Square of White Town.

Fetish Equipment

These are bought from the "Steel Rose" in the Necropolis under "Fetish-paraphernalia". They're used as tools to enforce rules that a disobedient slave would otherwise disobey, or unlocks some bondage punishments and the vaginal vibes rule.

Vaginal beads - allows Vaginal vibe

Anal pear - Deny toileting, slave won't clean themselves at the end of day without you explicitly telling them to